package io.gitlab.jfronny.inceptum;

import io.gitlab.jfronny.commons.serialize.gson.api.GsonHolder;
import io.gitlab.jfronny.inceptum.frontend.cli.CommandResolution;
import io.gitlab.jfronny.inceptum.frontend.cli.Commands;
import io.gitlab.jfronny.inceptum.frontend.gui.window.dialog.AlertWindow;
import io.gitlab.jfronny.inceptum.frontend.gui.window.dialog.TextBoxWindow;
import io.gitlab.jfronny.inceptum.gson.*;
import io.gitlab.jfronny.inceptum.util.*;
import io.gitlab.jfronny.inceptum.util.source.ModSource;
import io.gitlab.jfronny.inceptum.model.microsoft.OauthTokenResponse;
import io.gitlab.jfronny.inceptum.model.mojang.MinecraftArgument;
import io.gitlab.jfronny.inceptum.model.mojang.Rules;
import io.gitlab.jfronny.inceptum.util.mds.ModsDirScanner;
import io.gitlab.jfronny.inceptum.util.api.McApi;

import java.io.IOException;
import java.nio.file.Files;
import java.util.Scanner;
import java.util.function.Consumer;

public class Inceptum {
    public static boolean IS_GUI;

    public static void main(String[] args) throws Exception {
        if (Utils.class.getClassLoader() != Inceptum.class.getClassLoader()) {
            throw new IllegalStateException("Mismatching classloader between two classes. Something is wrong here");
        }

        CommandResolution command = Commands.resolve(args, false);
        if (command.command().enableLog()) {
            Utils.LOGGER.info("Launching Inceptum v" + MetaHolder.VERSION.version + " (" + MetaHolder.VERSION.flavor + ")");
            Utils.LOGGER.info("Loading from " + MetaHolder.BASE_PATH);
        }

        GsonHolder.registerTypeAdapter(MinecraftArgument.class, new MinecraftArgumentDeserializer());
        GsonHolder.registerTypeAdapter(Rules.class, new RulesDeserializer());
        GsonHolder.registerTypeAdapter(OauthTokenResponse.class, new OauthTokenResponseDeserializer());
        GsonHolder.registerTypeAdapter(ModSource.class, new ModSourceTypeAdapter());
        GsonHolder.registerTypeAdapter(ModSourceMapDeserializer.modSourceMapType, new ModSourceMapDeserializer());

        InceptumEnvironmentInitializer.initialize();

        if (!Files.exists(MetaHolder.CACHE_DIR)) Files.createDirectories(MetaHolder.CACHE_DIR);
        try {
            McApi.getVersions();
            Utils.clearDirectory(MetaHolder.CACHE_DIR);
        }
        catch (IOException e) {
            Utils.LOGGER.error("Could not connect to the internet");
        }
        if (!Files.exists(MetaHolder.INSTANCE_DIR)) Files.createDirectories(MetaHolder.INSTANCE_DIR);
        if (!Files.exists(MetaHolder.ASSETS_DIR)) Files.createDirectories(MetaHolder.ASSETS_DIR);
        if (!Files.exists(MetaHolder.LIBRARIES_DIR)) Files.createDirectories(MetaHolder.LIBRARIES_DIR);
        if (Files.exists(MetaHolder.FORCE_LOAD_PATH)) {
            Utils.LOGGER.info("Force-Loading libraries:");
            Utils.ls(MetaHolder.FORCE_LOAD_PATH, path -> {
                Utils.LOGGER.info("Loading " + path);
                try {
                    System.load(path.toAbsolutePath().toString());
                }
                catch (UnsatisfiedLinkError le) {
                    Utils.LOGGER.error("Could not load library", le);
                }
            });
        }

        command.invoke();
        ModsDirScanner.closeAll();
    }

    public static void showError(String message, String title) {
        Utils.LOGGER.error(message);
        if (IS_GUI) InceptumGui.WINDOWS.add(new AlertWindow(title, message));
    }

    public static void showError(String message, Throwable t) {
        Utils.LOGGER.error(message, t);
        if (IS_GUI) InceptumGui.WINDOWS.add(new AlertWindow(message, t.toString()));
    }

    public static void showInfo(String message, String title) {
        Utils.LOGGER.info(message);
        if (IS_GUI) InceptumGui.WINDOWS.add(new AlertWindow(title, message));
    }

    public static void showOkCancel(String message, String title, Runnable ok, Runnable cancel) {
        showOkCancel(message, title, ok, cancel, false);
    }

    public static void showOkCancel(String message, String title, Runnable ok, Runnable cancel, boolean defaultCancel) {
        Utils.LOGGER.info(message);
        if (IS_GUI) InceptumGui.WINDOWS.add(new AlertWindow(title, message, ok, cancel));
        else if (!defaultCancel) ok.run();
    }

    public static void getInput(String prompt, String defaultValue, Consumer<String> ok, Runnable cancel) throws IOException {
        if (IS_GUI) InceptumGui.WINDOWS.add(new TextBoxWindow(prompt, prompt, defaultValue, ok, cancel));
        else {
            Scanner scanner = new Scanner(System.in);
            System.out.println(prompt);
            System.out.print("> ");
            ok.accept(scanner.nextLine());
        }
    }
}